+/* Return a bit mask of valid input selections for this device. Mask bits
+ * will be according to PVR_CVAL_INPUT_xxxx definitions. */
+unsigned int pvr2_hdw_get_input_available(struct pvr2_hdw *);
+
+/* Return a bit mask of allowed input selections for this device. Mask bits
+ * will be according to PVR_CVAL_INPUT_xxxx definitions. */
+unsigned int pvr2_hdw_get_input_allowed(struct pvr2_hdw *);
+
+/* Change the set of allowed input selections for this device. Both
+ change_mask and change_valu are mask bits according to
+ PVR_CVAL_INPUT_xxxx definitions. The change_mask parameter indicate
+ which settings are being changed and the change_val parameter indicates
+ whether corresponding settings are being set or cleared. */
+int pvr2_hdw_set_input_allowed(struct pvr2_hdw *,
+ unsigned int change_mask,
+ unsigned int change_val);
+